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Answer:
Step-by-step explanation:
Answer: n = 12
Solution: Step 1: Move the variable to the left hand side and change its sign.
= 27 - n = 15 and then, move the expression to the right hand side and change its sign.
= - n = 15 - 27
Step 2: Calculate the difference.
- n = 15 - 27 is equal to - n = - 12.
Step 3: change the signs on both sides of the equation.
And the final answer is, n = 12
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